applied management statistics
BCO
1
2
7 Applied Management Statistics Resit Assignment Task brief
BCO127 Applied Management Statistics
Word count: Your work is individual and should be uploaded in Moodle using Turnitin. Avoid any “copy-paste” practice to prevent possible problems of plagiarism.
You must provide an explanation of your results in all your answers.
1) 2
5
POINTS
Considering following data distribution:
0,
4
,4,5,5,5,6,6,6,6,7,7,
8
,9
a) Calculate mean, median, and quartiles
b) Draw the boxplot
c) Is there any outlier? Why?
2) 25 POINTS
The scores of adults on a IQ test are approximately normal with mean
10
0 and standard deviation
15
.
a. What proportion of adults have an IQ below
90
?
b. What proportion of adults have an IQ above 120?
c. What proportion of adults have IQ between 90 mm and 110 mm?
3) 25 POINTS
It has been found that that the average final grade of a Group of 50 Statistic students at the EU has been 82 points. Suppose the study follows a normal distribution with standard deviation 4.
a) Estimate the mean of all statistic studenst as the EU in using 95% confidence interval. (show all the calculations)
b) Write the conclusion of your result
4) 25 POINTS
A regression analysis has been conducted between the annual
income
(in
100
0 euros) and the work experience (in
years
) of Managing Director s in Barcelona area The results are summarized below.
a) Define the independent and dependent variables. What can you say about the correlation between them.
b) Find R and R2 and interpret Write the regression model and interpret the coefficients.
c) Estimate the average annual income of a Manager who has 10 years of work experience.
| years | 1 | 2 | 4 | 5 |
6,5 |
8 | 10 | 15 | |
| income |
60 |
68 |
72 |
77 |
83 |
88 |
90 |
93 |
100 |
Formalities:
· Wordcount: 1000-1500 words
· Cover, Table of Contents, References and Appendix are excluded of the total wordcount.
· Font: Arial 12,5 pts.
· Text alignment: Justified.
Submission: SUNDAY 25 OCTOBER 2020, 23:59HRS ON MOODLE
Weight: Resit – worth 100% of the overall grade – Please remember resits are capped at 70%
It assesses the following learning outcomes:
· Understand concpepts, formulas and techniques of statistics through exercices and applied examples;
· Understand statistical language, statistical context, uncertainty, and develop statistical thinking;
· Design statistical models, perform analysis, and solve real-world problems;
· Interpret Results of statistical analysis.
BCO127 Applied Management Statistics Resit Assignment Rubrics
Questions worth 25 points
22,5
–
25.
The student demonstrates a good understanding of the concepts.
20
–
22,3
The student demonstrates a fair understanding of the concepts.
17,5
–
19,8
The student demonstrates some, but insufficient understanding of the concepts.
10
–
17,3
The student demonstrates insufficient understanding of the concepts. They may mention some relevant ideas or concepts, although it is clear that the relationship between them is not understood by the student.
2,5
–
9,75
The student demonstrates insufficient understanding of the concepts and does not mention any relevant ideas or concepts.
0
The student leaves the question blank or cheats.